http://www.youtube.com/watch?v=LAGfDHztVA0
http://ubuntulinuxhelp.com/using-ubuntu-to-crack-wep/
http://mediakey.dk/~cc/hack-wireless-network-crack/
http://www.askstudent.com/hacking/how-to-crack-a-wep-key-using-ubuntu/
http://www.junauza.com/2010/02/hacking-wi-fi-password-using-ubuntu.html